a-a a-b a-i aaa aab aad aag aai aan aao aap aar aas ab- aba abb abd abg abi abn abo abp abr abs ad- ada adb add adg adi adn ado adp adr ads ag- aga agb agd agg agi agn ago agp agr ags ai- aia aib aid aig aii ain aio aip air ais an- ana anb and ang ani ann ano anp anr ans aoa aob aod aog aoi aon aoo aop aor aos ap- apa apb apd apg api apn apo app apr aps ar- ara arb ard arg ari arn aro arp arr ars as- asa asb asd asg asi asn aso asp asr ass b-p baa bab bad bag bai ban bao bap bar bas bba bbb bbd bbg bbi bbn bbo bbp bbr bbs bda bdb bdd bdg bdi bdo bdp bdr bds bga bgb bgd bgg bgi bgn bgo bgp bgr bgs bi- bia bib bid big bii bin bio bip bir bis bna bnb bnd bng bni bnn bno bnp bnr bns boa bob bod bog boi bon boo bop bor bos bpa bpb bpd bpg bpi bpn bpo bpp bpr bps bra brb brd brg bri brn bro brp brr brs bsa bsb bsd bsg bsi bsn bso bsp bsr bss daa dab dad dag dai dan dao dap dar das dba dbb dbd dbg dbi dbn dbo dbp dbr dbs dda ddb ddd ddg ddi ddn ddo ddp ddr dds dga dgd dgg dgi dgn dgp dgr dgs di- dia dib did dig dii din dio dip dir dis dna dnb dnd dng dni dnn dno dnp dnr dns doa dob dod dog doi don doo dop dor dos dpa dpb dpd dpg dpi dpn dpo dpp dpr dps dra drb drd drg dri drn dro drp drr drs dsa dsb dsd dsg dsi dsn dso dsp dsr dss g-d g-p gaa gab gad gag gai gan gao gap gar gas gba gbd gbg gbi gbn gbo gbp gbr gbs gda gdb gdd gdi gdn gdo gdp gdr gds gga ggb ggd ggg ggi ggn ggo ggp ggr ggs gia gib gid gig gii gin gio gip gir gis gna gnb gnd gni gnn gno gnp gnr gns goa gob god gog goi gon goo gop gor gos gpa gpb gpd gpg gpi gpn gpo gpp gpr gps gra grb grd grg gri grn gro grp grr grs gsa gsb gsd gsg gsi gsn gso gsp gsr gss i-d ia- iaa iab iad iag iai ian iao iap iar ias iba ibb ibd ibg ibi ibn ibo ibp ibr ibs ida idb idd idg idi idn ido idp idr ids iga igb igd igg igi ign igo igp igr igs iia iib iid iii iin iio iip iir iis in- ina inb ind ing ini inn ino inp inr ins io- ioa iob iod iog ioi ion ioo iop ior ios ipa ipb ipd ipg ipi ipn ipo ipp ipr ips ir- ira irb ird irg iri irn iro irp irr irs is- isa isb isd isg isi isn iso isp isr iss n-i naa nab nad nag nai nan nao nap nar nas nba nbb nbd nbg nbi nbn nbo nbp nbr nbs nda ndb ndd ndg ndi ndn ndo ndp ndr nds nga ngb ngd ngg ngi ngn ngo ngp ngs nia nib nid nig nii nin nio nip nir nis nna nnb nng nni nnn nno nnp nns no- noa nob nod nog noi non noo nop nor nos npa npb npd npg npi npn npo npp npr nps nra nrb nrd nrg nri nrn nro nrp nrr nrs nsa nsb nsd nsg nsi nsn nso nsp nsr nss o-i oaa oab oad oag oai oan oao oap oar oas ob- oba obb obd obg obi obn obo obp obr obs oda odb odd odg odi odn odo odp odr ods oga ogd ogg ogi ogn ogo ogp ogs oia oib oid oii oin oio oip oir ois on- ona onb ond ong oni onn ono onp onr ons oo- ooa oob ood oog ooi oon ooo oop oor oos op- opa opb opd opg opi opn opo opp opr ops or- ora orb ord org ori orn oro orp orr ors os- osa osb osd osg osi osn oso osp osr oss p-p paa pab pad pag pai pan pao pap par pas pba pbb pbd pbg pbi pbn pbo pbp pbr pbs pda pdb pdd pdg pdi pdn pdo pdp pdr pds pga pgb pgd pgg pgi pgn pgo pgp pgr pgs pia pib pid pig pii pin pio pip pir pis pn- pna pnb pnd png pni pnn pno pnp pnr pns poa pob pod pog poi pon poo pop por pos ppa ppb ppd ppg ppi ppn ppo ppp ppr pps pra prb prd prg pri prn pro prp prr prs ps- psa psb psd psg psi psn pso psp psr pss ra- raa rab rad rag rai ran rao rap rar ras rba rbb rbd rbg rbi rbn rbo rbp rbr rbs rda rdb rdd rdg rdi rdn rdo rdp rdr rds rga rgb rgd rgg rgi rgn rgo rgp rgr rgs ria rib rid rig rii rin rio rip rir ris rna rnb rnd rng rni rnn rno rnp rnr rns roa rob rod rog roi ron roo rop ror ros rpa rpb rpd rpg rpi rpn rpo rpp rpr rps rra rrb rrd rrg rri rrn rrp rrr rrs rsa rsb rsd rsg rsi rsn rso rsp rsr rss saa sab sad sag sai san sao sap sar sas sba sbb sbd sbg sbi sbn sbo sbp sbr sbs sda sdb sdd sdg sdi sdn sdo sdp sdr sds sga sgb sgd sgg sgi sgn sgo sgp sgr sgs sia sib sid sig sii sin sio sip sir sis sna snb snd sng sni snn sno snp snr sns soa sob sod sog soi son soo sop sor sos spa spb spd spg spi spn spo spp spr